Microwave Development Laboratories · Electronic Components
90WT56
Seal, Waveguide
Part Number90WT56
ManufacturerMicrowave Development Laboratories
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-396-9759 (NSN)
Federal Item NameSEAL,WAVEGUIDE
Federal Supply Class5985 — Antennas and Waveguides
Seal Outside Height1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM
Seal Inside Height0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM
MaterialGLASS SINGLE SEAL
Style DesignatorFOR RECTANGULAR WAVEGUIDE AND FLANGE
Seal Inside Width0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM
Seal Outside Width1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM
ESD/EMICode A — ESD/EMI sensitive item
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 90WT56 available?
We can source 90WT56 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 90WT56 by Microwave Development Laboratories obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 90WT56 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 90WT56?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 90WT56?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.